Fix for Flask 2.2.0 breaking changes

locust/test/util.py

@@ -79,13 +79,10 @@ def create_tls_cert(hostname):
 
 
 def clear_all_functools_lru_cache() -> None:
-    # Somehow, the code below throws unrelated DeprecationWarning related to Flask.
-    # We mute the warnings in order to not pollute the logs when running the tests.
-    with warnings.catch_warnings(record=True):
-        # Clear all `functools.lru_cache` to ensure that no state are persisted from one test to another.
-        # Taken from https://stackoverflow.com/a/50699209.
-        gc.collect()
-        wrappers = [a for a in gc.get_objects() if isinstance(a, functools._lru_cache_wrapper)]
-        assert len(wrappers) > 0
-        for wrapper in wrappers:
-            wrapper.cache_clear()
+    # Clear all `functools.lru_cache` to ensure that no state are persisted from one test to another.
+    # Taken from https://stackoverflow.com/a/50699209.
+    gc.collect()
+    wrappers = [a for a in gc.get_objects() if isinstance(a, functools._lru_cache_wrapper)]
+    assert len(wrappers) > 0
+    for wrapper in wrappers:
+        wrapper.cache_clear()

locust/web.py

@@ -244,7 +244,6 @@ def request_stats_full_history_csv() -> Response:
                     as_attachment=True,
                     download_name=_download_csv_suggest_file_name("requests_full_history"),
                     etag=True,
-                    cache_timeout=None,
                     conditional=True,
                     last_modified=None,
                 )